Home / 4,828.80-7,241.40-1,707.60

Finding the Fourth Proportional to 4,828.80, 7,241.40 and 1,707.60

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Solution

The fourth proportional to 4,828.80, 7,241.40 and 1,707.60 is: 2,560.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.80 : 7,241.40 = 1,707.60 : x
  2. Step 2: Convert to fraction form
    4,828.80/7,241.40 = 1,707.60/x
  3. Step 3: Cross multiply
    4,828.80x = 7,241.40 × 1,707.60
  4. Step 4: Simplify right side
    4,828.80x = 12,365,414.64
  5. Step 5: Solve for x
    x = 12,365,414.64/4,828.80
  6. Step 6: Final answer
    x = 2,560.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.